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Finding the Fourth Proportional to 176.96, 265.25 and 61.37

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Solution

The fourth proportional to 176.96, 265.25 and 61.37 is: 91.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.96 : 265.25 = 61.37 : x
  2. Step 2: Convert to fraction form
    176.96/265.25 = 61.37/x
  3. Step 3: Cross multiply
    176.96x = 265.25 × 61.37
  4. Step 4: Simplify right side
    176.96x = 16,278.39
  5. Step 5: Solve for x
    x = 16,278.39/176.96
  6. Step 6: Final answer
    x = 91.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.